First published Oct 30, 2026, 11:20:15 AM UTC · Last updated Oct 30, 2026, 11:20:15 AM UTC

accidentsAndIncidents on HWY 141 (Both Directions)

A collision closed all lanes in both directions between North Sandy Plains Road and the northern section of Lake Joseph Road near Mactier, Ontario. The reported severity is unknown.

At a glance

Affected location: Mactier

Illustrative image: King's Highway 11 , looking north from overpass toward South Sparrow Lake Road/Goldstein Road right-in/right-out exits in Township of Severn , Simcoe County , Ontario , Canada . Image taken by me ( Sonysnob ). Similar images available here: http://www.asphaltplanet.ca/ON/hwy_11_images/Hwy11_p2b_images.htm — Sonysnob at English Wikipedia/Wikimedia Commons, CC BY-SA 3.0

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Why it matters

The reported full closure affects travel on this highway segment.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 5/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 1/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 5/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

Ontario 511 Traffic Events accidentsAndIncidents on HWY 141 (Both Directions)Contains information licensed under the Open Government Licence – Ontario (https://www.ontario.ca/page/open-government-licence-ontario). Source: Ontario 511. Information is provided “as is”; actual roadway conditions may differ. No endorsement by Ontario 511, MTO, or the Government of Ontario is implied. Usage terms

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